nostr-hooks/dist/hooks/use-active-user/index.js

React hooks for developing Nostr clients

import { useEffect, useState } from 'react';
import { useNdk } from '../use-ndk';
/**
 * Custom hook that retrieves the active user using the NDK instance and the signer.
 *
 * @param fetchProfile - Optional boolean indicating whether to fetch profile for the active user. Default is false.
 * @returns An object containing the active user, null if there is no user, or undefined if the user is being fetched.
 */
export const useActiveUser = (fetchProfile) => {
    const [activeUser, setActiveUser] = useState(undefined);
    const [status, setStatus] = useState('loading');
    const { ndk } = useNdk();
    useEffect(() => {
        setStatus('loading');
        if (!ndk) {
            setStatus('no-user');
            setActiveUser(null);
            return;
        }
        const { signer } = ndk;
        if (!signer) {
            setStatus('no-user');
            setActiveUser(null);
            return;
        }
        signer.user().then((user) => {
            if (!user) {
                setStatus('no-user');
                setActiveUser(null);
                return;
            }
            if (!fetchProfile) {
                setStatus('success');
                setActiveUser(user);
                return;
            }
            user.fetchProfile().finally(() => {
                setStatus('success');
                setActiveUser(user);
            });
        });
    }, [ndk, fetchProfile, setStatus, setActiveUser, ndk?.signer]);
    return { activeUser, status };
};
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